3 ideas
18189 | ZFC could contain a contradiction, and it can never prove its own consistency [MacLane] |
13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
14349 | If there are no finks or antidotes at the fundamental level, the laws can't be ceteris paribus [Burge, by Corry] |